#!/usr/bin/env python
'''
__author__=Yawei Yang
__date__ = June 21th 2012
__doc__ =  Program 2-3 for chapter 2
'''


from control.matlab import *

A = [[0, 1., 0], [0, 0, 1.], [-5., -25., -5.]]
B = [[0], [25.], [-120.]]
C = [[1., 0, 0]]
D = [[0.]]
sys = ss2tf(A,B,C,D)
#[  0.   0.  25.   5.]
#[  1.   5.  25.   5.]
